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Chevrolet Cobalt vs. Porsche Boxster Fuel Economy (g/100m)

Chart is based on 139 fuel economy reports for the Chevrolet Cobalt and 101 fuel economy reports for the Porsche Boxster.

Chevrolet Cobalt g/100m

Chevrolet Cobalt Chevrolet Cobalt 2010 3.2 MPG Highway Percentage 90 percent Chevrolet Cobalt Chevrolet Cobalt 2010 25.6 MPG Highway Percentage 12 percent Chevrolet Cobalt Chevrolet Cobalt 2010 20.5 MPG Highway Percentage 40 percent Chevrolet Cobalt Chevrolet Cobalt 2009 8.6 MPG Highway Percentage 48 percent Chevrolet Cobalt Chevrolet Cobalt 2009 3.2 MPG Highway Percentage 38 percent Chevrolet Cobalt Chevrolet Cobalt 2009 18.7 MPG Highway Percentage 73 percent Chevrolet Cobalt Chevrolet Cobalt 2008.5 3.9 MPG Highway Percentage 10 percent Chevrolet Cobalt Chevrolet Cobalt 2008 3.1 MPG Highway Percentage 71 percent Chevrolet Cobalt Chevrolet Cobalt 2008 6.2 MPG Highway Percentage 51 percent Chevrolet Cobalt Chevrolet Cobalt 2008 3.5 MPG Highway Percentage 99 percent Chevrolet Cobalt Chevrolet Cobalt 2008 4.1 MPG Highway Percentage 54 percent Chevrolet Cobalt Chevrolet Cobalt 2008 3.6 MPG Highway Percentage 55 percent Chevrolet Cobalt Chevrolet Cobalt 2008 3.5 MPG Highway Percentage 48 percent Chevrolet Cobalt Chevrolet Cobalt 2008 3.5 MPG Highway Percentage 40 percent Chevrolet Cobalt Chevrolet Cobalt 2007 3.5 MPG Highway Percentage 55 percent Chevrolet Cobalt Chevrolet Cobalt 2007 15.8 MPG Highway Percentage 40 percent Chevrolet Cobalt Chevrolet Cobalt 2007 9.7 MPG Highway Percentage 25 percent Chevrolet Cobalt Chevrolet Cobalt 2007 22.7 MPG Highway Percentage 11 percent Chevrolet Cobalt Chevrolet Cobalt 2007 3.8 MPG Highway Percentage 31 percent Chevrolet Cobalt Chevrolet Cobalt 2007 6.4 MPG Highway Percentage 60 percent Chevrolet Cobalt Chevrolet Cobalt 2007 3.4 MPG Highway Percentage 54 percent Chevrolet Cobalt Chevrolet Cobalt 2006 2.8 MPG Highway Percentage 65 percent Chevrolet Cobalt Chevrolet Cobalt 2006 3.8 MPG Highway Percentage 30 percent Chevrolet Cobalt Chevrolet Cobalt 2006 2.8 MPG Highway Percentage 5 percent Chevrolet Cobalt Chevrolet Cobalt 2006 6.1 MPG Highway Percentage 28 percent Chevrolet Cobalt Chevrolet Cobalt 2006 21.9 MPG Highway Percentage 75 percent Chevrolet Cobalt Chevrolet Cobalt 2006 11.3 MPG Highway Percentage 64 percent Chevrolet Cobalt Chevrolet Cobalt 2006 13.8 MPG Highway Percentage 31 percent Chevrolet Cobalt Chevrolet Cobalt 2006 2.8 MPG Highway Percentage 55 percent Chevrolet Cobalt Chevrolet Cobalt 2006 3.4 MPG Highway Percentage 48 percent Chevrolet Cobalt Chevrolet Cobalt 2005 3.6 MPG Highway Percentage 35 percent Chevrolet Cobalt Chevrolet Cobalt 2005 3.7 MPG Highway Percentage 52 percent Chevrolet Cobalt Chevrolet Cobalt 2005 3.6 MPG Highway Percentage 23 percent Chevrolet Cobalt Chevrolet Cobalt 2005 2.7 MPG Highway Percentage 79 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd g/100m
2010 4dr Sedan 155-horsepower 2.2L I4
4-speed automatic FWD		 flat light light 0 1 9 90 70 3.2  
2010 2dr Coupe 155-horsepower 2.2L I4
5-speed manual FWD		 hills light light 57 22 10 12 100 25.6  
2010 2dr Coupe 155-horsepower 2.2L I4
4-speed automatic FWD		 hills med none 5 30 25 40 100 20.5  
2009 4dr Sedan turbocharged 260hp 2.0L I4
5-speed manual FWD		 hills med none 6 34 12 48 80 8.6  
2009 4dr Sedan 155-horsepower 2.2L I4
4-speed automatic FWD		 flat light light 3 25 33 38 60 3.2  
2009 2dr Coupe turbocharged 260hp 2.0L I4
5-speed manual FWD		 flat med none 10 15 2 73 100 18.7  
2008.5 2dr Coupe turbocharged 260hp 2.0L I4
5-speed manual FWD		 flat lead hvy 10 40 40 10 65 3.9  
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2008 4dr Sedan 148-horsepower 2.2L I4
5-speed manual FWD		 flat med none 6 10 13 71 67 3.1  
2008 4dr Sedan 148-horsepower 2.2L I4
4-speed automatic FWD		 flat med light 8 14 27 51 71 6.2  
2008 2dr Coupe turbocharged 260hp 2.0L I4
5-speed manual FWD		 flat med light 0 1 0 99 60 3.5  
2008 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD		 flat med none 9 8 29 54 73 4.1  
2008 2dr Coupe 171-horsepower 2.4L I4
4-speed automatic FWD		 flat med light 5 13 28 55 65 3.6  
2008 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD		 hills light light 2 23 27 48 70 3.5  
2008 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD		 hills light hvy 0 25 35 40 60 3.5  
2007 4dr Sedan 173-horsepower 2.4L I4
4-speed automatic FWD		 flat med none 0 10 35 55 70 3.5  
2007 4dr Sedan 148-horsepower 2.2L I4
4-speed automatic FWD		 flat med none 13 33 15 40 96 15.8  
2007 2dr Coupe supercharged 205hp 2.0L I4
5-speed manual FWD		 flat med light 13 35 27 25 73 9.7  
2007 2dr Coupe 173-horsepower 2.4L I4
5-speed manual FWD		 flat lead none 0 77 13 11 95 22.7  
2007 2dr Coupe 173-horsepower 2.4L I4
4-speed automatic FWD		 hills med light 39 13 18 31 78 3.8  
2007 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD		 flat light none 8 22 10 60 72 6.4  
2007 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD		 flat light none 3 12 30 54 63 3.4  
2006 4dr Sedan 171-horsepower 2.4L I4
5-speed manual FWD		 mtns light none 1 34 0 65 61 2.8  
2006 4dr Sedan 171-horsepower 2.4L I4
4-speed automatic FWD		 flat lead light 18 23 30 30 70 3.8  
2006 4dr Sedan 145-horsepower 2.2L I4
5-speed manual FWD		 flat v.lt none 0 10 85 5 60 2.8  
2006 4dr Sedan 145-horsepower 2.2L I4
4-speed automatic FWD		 flat light none 4 54 14 28 74 6.1  
2006 2dr Coupe supercharged 205hp 2.0L I4
5-speed manual FWD		 flat med none 10 5 10 75 110 21.9  
2006 2dr Coupe 171-horsepower 2.4L I4
5-speed manual FWD		 flat med light 16 13 8 64 90 11.3  
2006 2dr Coupe 171-horsepower 2.4L I4
4-speed automatic FWD		 flat med hvy 7 22 40 31 93 13.8  
2006 2dr Coupe 145-horsepower 2.2L I4
5-speed manual FWD		 hills light light 11 26 10 55 60 2.8  
2006 2dr Coupe 145-horsepower 2.2L I4
4-speed automatic FWD		 flat med light 9 35 8 48 77 3.4  
2005 4dr Sedan 145-horsepower 2.2L I4
5-speed manual FWD		 flat lead hvy 15 0 50 35 75 3.6  
2005 4dr Sedan 145-horsepower 2.2L I4
4-speed automatic FWD		 flat med none 12 17 20 52 65 3.7  
2005 2dr Coupe supercharged 205hp 2.0L I4
5-speed manual FWD		 flat med none 5 13 58 23 70 3.6  
2005 2dr Coupe 145-horsepower 2.2L I4
5-speed manual FWD		 flat med light 0 6 15 79 75 2.7  

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This page shows only averages. See all the Chevrolet Cobalt fuel economy data.

Porsche Boxster g/100m

Porsche Boxster Porsche Boxster 2013 4.9 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2011 6.3 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2010 4.8 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2010 2.9 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2008 4.7 MPG Highway Percentage 27 percent Porsche Boxster Porsche Boxster 2008 13.9 MPG Highway Percentage 3 percent Porsche Boxster Porsche Boxster 2007 4.0 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2007 6.3 MPG Highway Percentage 4 percent Porsche Boxster Porsche Boxster 2007 3.8 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2006 4.7 MPG Highway Percentage 63 percent Porsche Boxster Porsche Boxster 2005 4.6 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2005 6.1 MPG Highway Percentage 75 percent Porsche Boxster Porsche Boxster 2005 3.9 MPG Highway Percentage 70 percent Porsche Boxster Porsche Boxster 2005 3.9 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2005 4.2 MPG Highway Percentage 43 percent Porsche Boxster Porsche Boxster 2004 4.9 MPG Highway Percentage 48 percent Porsche Boxster Porsche Boxster 2004 3.9 MPG Highway Percentage 80 percent Porsche Boxster Porsche Boxster 2004 4.8 MPG Highway Percentage 25 percent Porsche Boxster Porsche Boxster 2004 4.0 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2003 4.6 MPG Highway Percentage 38 percent Porsche Boxster Porsche Boxster 2003 3.8 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2003 3.6 MPG Highway Percentage 50 percent Porsche Boxster Porsche Boxster 2002 4.2 MPG Highway Percentage 47 percent Porsche Boxster Porsche Boxster 2002 18.8 MPG Highway Percentage 40 percent Porsche Boxster Porsche Boxster 2002 6.3 MPG Highway Percentage 51 percent Porsche Boxster Porsche Boxster 2002 4.3 MPG Highway Percentage 64 percent Porsche Boxster Porsche Boxster 2001 4.8 MPG Highway Percentage 52 percent Porsche Boxster Porsche Boxster 2001 4.4 MPG Highway Percentage 35 percent Porsche Boxster Porsche Boxster 2000 19.9 MPG Highway Percentage 55 percent Porsche Boxster Porsche Boxster 2000 3.4 MPG Highway Percentage 30 percent Porsche Boxster Porsche Boxster 2000 4.2 MPG Highway Percentage 38 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd g/100m
2013 2dr Convertible 315-horsepower 3.4L H6
7-speed automated manual RWD		 flat med hvy 0 20 0 80 70 4.9  
2011 2dr Convertible 255-horsepower 2.9L H6
6-speed manual RWD		 flat med light 0 15 35 50 70 6.3  
2010 2dr Convertible 310-horsepower 3.4L H6
6-speed manual RWD		 flat med none 0 38 25 38 75 4.8  
2010 2dr Convertible 255-horsepower 2.9L H6
7-speed automated manual RWD		 hills med light 5 20 0 75 85 2.9  
2008 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD		 flat med none 9 18 47 27 69 4.7  
2008 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD		 flat med light 0 50 48 3 75 13.9  
2007 2dr Convertible 295-horsepower 3.4L H6
6-speed manual RWD		 flat med none 1 1 18 80 73 4.0  
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2007 2dr Convertible 245-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat med none 32 32 32 4 60 6.3  
2007 2dr Convertible 245-horsepower 2.7L H6
5-speed manual RWD		 flat med light 2 3 40 55 62 3.8  
2006 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD		 flat lead light 6 11 22 63 65 4.7  
2005 2dr Convertible 280-horsepower 3.2L H6
6-speed manual RWD		 flat med light 9 11 32 48 69 4.6  
2005 2dr Convertible 280-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat lead hvy 0 25 0 75 80 6.1  
2005 2dr Convertible 240-horsepower 2.7L H6
6-speed manual RWD		 flat med none 10 10 10 70 65 3.9  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat light light 0 5 45 50 65 3.9  
2005 2dr Convertible 240-horsepower 2.7L H6
5-speed manual RWD		 hills med light 12 18 28 43 63 4.2  
2004 2dr Convertible 264-horsepower 3.2L H6
6-speed manual RWD		 flat med light 8 28 18 48 65 4.9  
2004 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD		 flat med hvy 0 15 5 80 65 3.9  
2004 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat lead hvy 20 30 25 25 70 4.8  
2004 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD		 hills med light 1 3 50 47 65 4.0  
2003 2dr Convertible 258-horsepower 3.2L H6
6-speed manual RWD		 hills med none 12 12 38 38 61 4.6  
2003 2dr Convertible 258-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat med light 0 50 0 50 70 3.8  
2003 2dr Convertible 228-horsepower 2.7L H6
5-speed manual RWD		 flat light none 25 0 25 50 60 3.6  
2002 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD		 flat med light 15 15 24 47 65 4.2  
2002 2dr Convertible 250-horsepower 3.2L H6
5-speed shiftable automatic RWD		 flat light light 25 25 10 40 100 18.8  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat med light 10 29 10 51 70 6.3  
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 hills lead none 3 5 29 64 60 4.3  
2001 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD		 hills lead light 13 22 13 52 68 4.8  
2001 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 flat med none 15 15 35 35 70 4.4  
2000 2dr Convertible 250-horsepower 3.2L H6
6-speed manual RWD		 hills med light 5 17 23 55 93 19.9  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD		 flat med none 10 10 50 30 60 3.4  
2000 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 flat med none 7 23 32 38 70 4.2  

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This page shows only averages. See all the Porsche Boxster fuel economy data.

Chevrolet Cobalt vs. Porsche Boxster Fuel Economy (g/100m)

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Chevrolet Cobalt and Porsche Boxster's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Coupes and Sedans.
See TrueDelta's information for all Chevrolet models and Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the Chevrolet Cobalt

Chevrolet Cobalt Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 2dr Coupe 155-horsepower 2.2L I4
4-speed automatic FWD		 Around town it's not great, but out on the open road mileage almost doubles. see full Chevrolet Cobalt review
2009 2dr Coupe turbocharged 260hp 2.0L I4
5-speed manual FWD		 The fuel economy is very good considering the performance available. I typically get better than 25MPG with a fair bit of city driving and fairly heavy throttle. see full Chevrolet Cobalt review
2009 4dr Sedan turbocharged 260hp 2.0L I4
5-speed manual FWD		 In mixed driving I get 25 - 26 MPG, even with 75 mph stints and popping in and out of traffic. In pure highway, gets 28+ at 70+ see full Chevrolet Cobalt review
2008 4dr Sedan 148-horsepower 2.2L I4
4-speed automatic FWD		 Better than most North American cars. Lower carbon footprint. Cheaper to run. see full Chevrolet Cobalt review
2007 2dr Coupe 173-horsepower 2.4L I4
5-speed manual FWD		 Under good highway driving conditions the Cobalt can go 700km on a single tank, but even in harsh conditions fuel economy is reasonable. see full Chevrolet Cobalt review
2007 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD		 Most neighbors report 35 mpg on hyway. here we do mostly high spped highway. see full Chevrolet Cobalt review
2007 2dr Coupe 173-horsepower 2.4L I4
4-speed automatic FWD		 I like that the 2.4L engine is able to put out significantly more power than the 2.2L and keep the same economy. The SS 2.4L is pretty quick and fun to drive and I still get 28 mpg on average just gunning around town with a lead foot and about 20% high see full Chevrolet Cobalt review
2007 2dr Coupe 148-horsepower 2.2L I4
5-speed manual FWD		 While not as impressive as some of its competitors, the Cobalt is still good for low to mid 30s if driven properly. see full Chevrolet Cobalt review
2007 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD		 34 MPG observed - and this from a roomy stylish car that cost me less that 15,000 see full Chevrolet Cobalt review
2007 2dr Coupe 148-horsepower 2.2L I4
4-speed automatic FWD		 While the Cobalt may only get 23mpg in real city driving with a heavy foot, it is still relatively easy to achieve 28mpg in the city and 35+mpg on freeway. see full Chevrolet Cobalt review
Chevrolet Cobalt Real Gas Mileage: Cons
YearBody/PowertrainComment
2010 4dr Sedan 155-horsepower 2.2L I4
4-speed automatic FWD		 The best documented rating I could find when looking indicated it still did not rival Fiesta. see full Chevrolet Cobalt review
 

What Our Members Are Saying about the Real Gas Mileage of the Porsche Boxster

Porsche Boxster Real Gas Mileage: Pros
YearBody/PowertrainComment
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed shiftable automatic RWD		 mileage with performance see full Porsche Boxster review
2002 2dr Convertible 217-horsepower 2.7L H6
5-speed manual RWD		 Running the hills mostly safe speeds,and an occasional sprint or push through the corners I average 25 mpg/29 hwy.I think on a long boring drive possibly 32mpg see full Porsche Boxster review